This Sources Sought Synopsis (SSS) is in support of Market Research being conducted by the United States Air Force (USAF) to identify potential sources to perform KC-135R/T Depot Level Maintenance, Un... This Sources Sought Synopsis (SSS) is in support of Market Research being conducted by the United States Air Force (USAF) to identify potential sources to perform KC-135R/T Depot Level Maintenance, Unscheduled Depot Level Maintenance, Modifications and Organizational Level/Intermediate Level Maintenance to supplement Organic Depot activities. This is not a Request for Proposal (RFP) or solicitation. Please see attachment for details.